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Finding the Fourth Proportional to 497,269.58, 745,909.43 and 272,507.54

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Solution

The fourth proportional to 497,269.58, 745,909.43 and 272,507.54 is: 408,764.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,269.58 : 745,909.43 = 272,507.54 : x
  2. Step 2: Convert to fraction form
    497,269.58/745,909.43 = 272,507.54/x
  3. Step 3: Cross multiply
    497,269.58x = 745,909.43 × 272,507.54
  4. Step 4: Simplify right side
    497,269.58x = 203,265,938,740.02
  5. Step 5: Solve for x
    x = 203,265,938,740.02/497,269.58
  6. Step 6: Final answer
    x = 408,764.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.